Headphones

Recording by Rev Tumza.

Recording identifiers

ISRC
QZ9452300970
CopyrightID (CopyrightChains transaction hash)
0xc02583f3579388854f9d0b899f0a3af42bbad03defbe8a5b5bd7164e1d3a3815
Copyright registration time
2026-06-20T23:21:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:4cb2879c26dca5df2c1379306698bbe9c9836a8ae569bf66bf737016bdeedec4

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.